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    "<h1>Table of Contents<span class=\"tocSkip\"></span></h1>\n",
    "<div class=\"toc\"><ul class=\"toc-item\"><li><span><a href=\"#第二周学习记录\" data-toc-modified-id=\"第二周学习记录-1\"><span class=\"toc-item-num\">1&nbsp;&nbsp;</span>第二周学习记录</a></span><ul class=\"toc-item\"><li><ul class=\"toc-item\"><li><span><a href=\"#jupyter-notebook快捷键\" data-toc-modified-id=\"jupyter-notebook快捷键-1.0.1\"><span class=\"toc-item-num\">1.0.1&nbsp;&nbsp;</span>jupyter notebook快捷键</a></span></li></ul></li></ul></li><li><span><a href=\"#处于编辑模式时（在命令模式时按-Enter-会进入编辑模式），你会发现下列快捷键很有用：\" data-toc-modified-id=\"处于编辑模式时（在命令模式时按-Enter-会进入编辑模式），你会发现下列快捷键很有用：-2\"><span class=\"toc-item-num\">2&nbsp;&nbsp;</span>处于编辑模式时（在命令模式时按 Enter 会进入编辑模式），你会发现下列快捷键很有用：</a></span></li></ul></div>"
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  {
   "cell_type": "markdown",
   "id": "023587f6",
   "metadata": {},
   "source": [
    "# 第二周学习记录"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6e2ebe25",
   "metadata": {},
   "source": [
    "### jupyter notebook快捷键"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1fc95b16",
   "metadata": {},
   "source": [
    "* A 会在活跃单元之上插入一个新的单元，B 会在活跃单元之下插入一个新单元\n",
    "* 连续按两次 D，可以删除一个单元\n",
    "* 撤销被删除的单元，按 Z\n",
    "* Y 会将当前活跃的单元变成一个代码单元\n",
    "* 按住 Shift +上或下箭头可选择多个单元。在多选模式时，按住 Shift + M 可合并你的选择\n",
    "* 按 F 会弹出「查找和替换」菜单"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "1e2eaa98",
   "metadata": {},
   "source": [
    "# 处于编辑模式时（在命令模式时按 Enter 会进入编辑模式），你会发现下列快捷键很有用："
   ]
  },
  {
   "cell_type": "markdown",
   "id": "c0c9a958",
   "metadata": {},
   "source": [
    "* Ctrl + Home 到达单元起始位置。\n",
    "* Ctrl + S 保存进度。\n",
    "* 如之前提到的，Ctrl + Enter 会运行你的整个单元块。\n",
    "* Alt + Enter 不止会运行你的单元块，还会在下面添加一个新单元。\n",
    "* Ctrl + Shift + F 打开命令面板。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "54820673",
   "metadata": {},
   "outputs": [],
   "source": []
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